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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> Suspension >> Rear Suspension >> Suspension - General Diagnosis >> Diagnostic Information >> Struts Or Shock Absorbers On-Vehicle Testing

Struts Or Shock Absorbers On-Vehicle Testing

  1. Did you review the General Description and perform the necessary inspections? If yes, go to next step. If no, go to SYMPTOMS - SUSPENSION GENERAL DIAGNOSIS .
  2. Verify that the malfunction is present. Does the vehicle operate normally? If yes, system is okay. If no, go to next step.
    3. NOTE: A light film of oil on the top portion of the shock reservoir is normal.
  3. Inspect each shock absorber for external fluid leakage. Is a strut or shock absorber leaking? If yes, go to step  7. If no, go to next step.
  4. Inspect the vehicle trim height. Refer to TRIM HEIGHT INSPECTION PROCEDURE . Is the vehicle trim height correct? If yes, go to next step. If no, go to step  6.
  5. Use your hands in order to lift up and push down each corner of the vehicle 3 times. Remove your hands from the vehicle. Does the vehicle stop bouncing after 2 cycles? If yes, go to step  8. If no, go to step  7.
  6. Replace the front coil spring, torsion bar, or rear spring. After repairs, go to step  8.
  7. Replace strut or shock absorber. After repairs, go to next step.
  8. Operate the vehicle in order to verify the repair. Did you correct the condition? If yes, system is okay. If no, go to step  3.
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